It would raise the barrier to entry, I suppose. I agree with GP that at some point in the future, real human output will become more rare and more valuable. And pure "human made" content (movies, music, books, blog posts, comments, etc.) may have access controls or costs associated.

We're already seeing the social contract around hosting your own blog change due to the constant indexing from AI crawlers.

Yes they will and they're reputation will be toggled accordingly within the community. When they're trustworthiness becomes questionable they'll feel the trade off of using AI and that will become a closed loop feedback.

Though that is an optimistic steady state, I still think we're going to see a lot more of "my AI talking to your AI" to some unhealthy degree